Definition: In this task, you are given an input list A. You need to convert all the alphabets in the list with a number representing their position in the English alphabet. E.g., replace A by 1, B by 2, a by 1, b by 2, and so on.
Input: ['9705', '9823', '8949', 'q', 'v', 'a', '8145']

9705, 9823, 8949, 17, 22, 1, 8145